edu to unt.edu: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone.
unt.edu zone: The server(s) were not responsive to queries over TCP. (129.120.14.12, 129.120.14.13)
unt.edu/DNSKEY: No response was received from the server over UDP (tried 12 times). (129.120.14.12, 129.120.14.13, UDP_-_EDNS0_4096_D_KN)
unt.edu/SOA: No response was received from the server over TCP (tried 3 times). (129.120.14.12, 129.120.14.13, TCP_-_EDNS0_4096_D_N)
Warnings (1)
unt.edu/NSEC3PARAM: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (129.120.14.12, UDP_-_EDNS0_4096_D_KN)